#include <iostream>
using namespace std;
int main()
{
	int year;
	cin >> year;
	if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
	{
		cout << "YES" << endl;
	}
	else
	{
		cout << "NO" << endl;
	}
	
	
	return 0; 
	
} 
